DedushkinRussian From Russian Дедушка (dedushka) meaning "grandfather".
DudayevChechen, Ossetian (Russified) Russified form of a Chechen and Ossetian family name of disputed meaning; the name may be derived from Ossetian дудахъхъ (dudaqq) meaning "bustard", from Ingush тат (tat) meaning "Mountain Jew", or from Circassian дадэ (dade) meaning "grandfather" or "king, head, chief"... [more]
DziadzienkaBelarusian Derived from Belarusian дзед (dzied) meaning "grandfather, old man".
ManaiItalian From Sardinian mannai "grandfather, grandmother".
PaponFrench (Huguenot) Derived from Old French papon "grandfather", ultimately from Latin pappus.